Hermetical lamp sealing techniques and lamp having uniquely sealed components
US7839089B2 · kind B2 · utility
1Cited by
63References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2003 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Aug 20, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2237/403
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A system and method for hermetically sealing a lamp. Certain embodiments of the lamp have an arc envelope having an open end and, also, an end structure diffusion bonded to the arc envelope at the open end. The end structure also has a dosing passageway extending into the arc envelope. In other embodiments, a lighting device is provided with an end structure adapted to close an open end of an arc envelope, and a dosing tube diffusion bonded to the end structure. Another embodiment of the lighting device has an arc envelope and an end structure diffusion bonded to an open end of the arc envelope.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.